CN216786865U - Positioning and supporting device for steel box girder segmentation folding - Google Patents
Positioning and supporting device for steel box girder segmentation folding Download PDFInfo
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- CN216786865U CN216786865U CN202220166725.8U CN202220166725U CN216786865U CN 216786865 U CN216786865 U CN 216786865U CN 202220166725 U CN202220166725 U CN 202220166725U CN 216786865 U CN216786865 U CN 216786865U
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Abstract
The utility model relates to the technical field of steel box girders, in particular to a positioning and supporting device for folding steel box girder sections, which comprises: the steel box girder comprises a plurality of steel box girder bodies, wherein the bottom of each of the plurality of steel box girder bodies is provided with a girder plate, and the bottom of each girder plate is provided with a support frame; the connecting structure is arranged on the surface of the steel box girder body; through setting up location structure and connection structure, can drive two fixed plates through starting hydraulic push rod and be close to each other, in order to reach and press from both sides tight fixed effect to middle steel box girder body, in this in-process, the stripper plate drives the air bag of buffering and the lug contacts with steel box girder body earlier, effectively avoided because the fixed impaired condition of steel box girder body that leads to of extrusion, the lug can increase and the steel box girder body between the frictional force, can avoid the excessive condition that leads to steel box girder body to damage of extrusion simultaneously under the setting of connecting rod and spring, effectively avoided because excessive extrusion leads to the condition of damage.
Description
Technical Field
The utility model relates to the technical field of steel box girders, in particular to a positioning and supporting device for sectional folding of a steel box girder.
Background
The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span and is called a steel box girder because the shape of the steel box girder is like a box.
Through retrieval, chinese patent discloses a positioning and supporting device (publication number CN212956133U) that steel box girder segmentation was foldd and is used, this patent technology passes through the pneumatic cylinder drive polytetrafluoroethylene board to press from both sides tight steel box girder segmentation, so that subsequent construction operation, but in the work progress, easily because constructor maloperation leads to the condition of extrudeing excessively, and then leads to the condition that steel box girder surface is impaired, leads to the device to damage even, consequently, technical staff in the art provides a positioning and supporting device that steel box girder segmentation was foldd and is used to solve the problem that proposes in the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides a positioning and supporting device for folding steel box girder sections, which solves the problem that the existing device is easy to damage due to over extrusion in the extrusion fixing process.
The utility model achieves the above-mentioned purpose through the following technical scheme, a positioning and supporting device for steel box girder segment folding comprises: the steel box girder comprises a plurality of steel box girder bodies, wherein the bottom of each steel box girder body is provided with a girder plate, and the bottom of each girder plate is provided with a support frame; the connecting structure is arranged on the surface of the steel box girder body; and the positioning structures are used for fixing the two adjacent steel box girder bodies and are arranged on the surface of the connecting structure.
Preferably, connection structure includes that two all set up in the connecting plate at steel box girder body top, the bottom of connecting plate is provided with the pulley, the pulley contacts with the top of steel box girder body, the equal fixedly connected with mounting panel in both sides of connecting plate, the cross sectional shape of mounting panel is L shape.
Preferably, the inner wall of the connecting plate is rotatably connected with a gear, and the surface of the gear is engaged and connected with two racks.
Preferably, the positioning structure comprises two fixing plates arranged below the connecting plate, the number of the top parts of the two fixing plates is two, and the upper end of each connecting block penetrates through the connecting plate and is fixedly connected with the bottom of the adjacent rack.
Preferably, the opposite sides of the two fixing plates are provided with extrusion plates, the opposite sides of the two extrusion plates are provided with buffer airbags in an embedded mode, one side, far away from the fixing plates, of each buffer airbag extends to the outside of each extrusion plate, the surface of one side, far away from the fixing plates, of each buffer airbag is fixedly connected with lugs which are uniformly distributed, and each lug is made of rubber.
Preferably, one side of the extrusion plate, which is close to the fixed plate, is fixedly connected with uniformly distributed connecting rods, the other ends of the connecting rods penetrate through the fixed plate and extend to the outside of the fixed plate, and springs are arranged on the surfaces of the connecting rods.
Preferably, the positioning structure further comprises two hydraulic push rods arranged on the surface of the mounting plate, and output shafts of the hydraulic push rods penetrate through the mounting plate and are fixedly connected with one side of the adjacent fixing plate.
The utility model has the beneficial effects that:
1. through setting up location structure and connection structure, can drive two fixed plates through starting hydraulic push rod and be close to each other, in order to reach and press from both sides tight fixed effect to middle steel box girder body, in this in-process, the stripper plate drives the air bag of buffering and the lug contacts with steel box girder body earlier, effectively avoided because the fixed impaired condition of steel box girder body that leads to of extrusion, the lug can increase and the steel box girder body between the frictional force, can avoid the excessive condition that leads to steel box girder body to damage of extrusion simultaneously under the setting of connecting rod and spring, effectively avoided because excessive extrusion leads to the condition of damage.
2. Through setting up connection structure, can place the device on the surface of steel box girder body, make it remove along the steel box girder body, the condition of a large amount of fixing device is dismantled in the installation of having avoided traditional construction needs, the staff carries out construction work after fastening the steel box girder body of operation department of need being under construction, it is fixed to relieve fastening after the construction work is accomplished, the rethread pulley removes to next construction point, and is easy and simple to handle, and the work efficiency is improved, and it is big to have avoided a large amount of fixing device cost of transportation of tradition simultaneously, the high condition of construction cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a schematic view of the connection between the positioning structure and the connecting structure according to the present invention;
fig. 4 is an enlarged view of a in fig. 3.
In the figure: 1. a steel box girder body; 2. a beam plate; 3. a connecting structure; 4. a positioning structure; 201. a support frame; 301. mounting a plate; 302. a connecting plate; 303. a gear; 304. a rack; 305. a pulley; 401. a hydraulic push rod; 402. a fixing plate; 403. a pressing plate; 404. a connecting rod; 405. a spring; 406. a buffer air bag; 407. a bump; 408. and (7) connecting the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the specific implementation: as shown in fig. 1-4, a positioning and supporting device for folding steel box girder segments comprises: the steel box girder comprises a plurality of steel box girder bodies 1, wherein the bottom of each steel box girder body 1 is provided with a girder plate 2, and the bottom of each girder plate 2 is provided with a support frame 201; the connecting structure 3 is arranged on the surface of the steel box girder body 1; and the positioning structures 4 are used for fixing the two adjacent steel box girder bodies 1 and are arranged on the surface of the connecting structure 3.
As shown in fig. 1, 2 and 3, the connecting structure 3 includes two connecting plates 302 disposed on the top of the steel box girder body 1, pulleys 305 are disposed at the bottom of the connecting plates 302, the pulleys 305 contact with the top of the steel box girder body 1, mounting plates 301 are fixedly connected to both sides of the connecting plates 302, the cross-sectional shape of the mounting plates 301 is L-shaped, gears 303 are rotatably connected to the inner walls of the connecting plates 302, two racks 304 are engaged with the surfaces of the gears 303, the arrangement of the pulleys 305 enables the connecting plates 302 and the mounting plates 301 to drive the positioning structures 4 to move along the surface of the steel box girder body 1, so as to position a plurality of steel box girder bodies 1, compared with the conventional method that a large number of fixing devices are required to fix, the method is flexible to operate, the process of disassembling and installing is reduced, the construction efficiency is effectively improved, and the condition that the conventional construction heavy fixing device is not beneficial to transportation is avoided, construction cost is reduced, one of the racks 304 is driven to move, and then the gear 303 can be driven to enable the other rack 304 to move synchronously, and the moving directions of the two racks 304 are opposite.
As shown in fig. 2, 3 and 4, the positioning structure 4 includes two fixing plates 402 disposed below the connecting plate 302, two connecting blocks 408 are fixedly connected to tops of the two fixing plates 402, upper ends of the connecting blocks 408 penetrate through the connecting plate 302 and are fixedly connected to bottoms of adjacent racks 304, squeezing plates 403 are disposed on opposite sides of the two fixing plates 402, cushion bladders 406 are embedded in opposite sides of the two squeezing plates 403, one side of the cushion bladder 406 away from the fixing plate 402 extends to an outer portion of the squeezing plates 403, evenly distributed bumps 407 are fixedly connected to surfaces of the side of the cushion bladder 406 away from the fixing plate 402, the bumps 407 are made of rubber, evenly distributed connecting rods 404 are fixedly connected to a side of the squeezing plates 403 close to the fixing plate 402, the other ends of the connecting rods 404 penetrate through the fixing plate 402 and extend to the outer portion of the fixing plate 402, springs 405 are disposed on surfaces of the connecting rods 404, the positioning structure 4 further comprises two hydraulic push rods 401 arranged on the surface of the mounting plate 301, the output shafts of the hydraulic push rods 401 penetrate through the mounting plate 301 and are fixedly connected with one side of an adjacent fixing plate 402, the fixing plate 402 connected with the hydraulic push rods 401 can be driven to move under the action of the hydraulic push rods 401 by starting the hydraulic push rods 401, so that the fixing plate 402 drives the racks 304 connected with the fixing plate 402 to move synchronously through the connecting block 408, the other fixing plate 402 is driven to move synchronously under the mutual matching of the two racks 304 and the gear 303, and the steel box girder body 1 between the two fixing plates 402 is fastened, thereby facilitating the subsequent construction operation of workers, in the fastening process, the fixing plate 402 drives the extrusion plate 403 to contact with the surface of the steel box girder body 1 firstly through the connecting rod 404, the arrangement of the buffer air bags 406 and the convex blocks 407 can reduce the abrasion on the surface of the steel box girder body 1, and the convex blocks 407 can increase the friction force between the steel box girder body 1 so as to improve the fixing effect, at this in-process hydraulic push rod 401 drives fixed plate 402 and continues to remove, and steel box girder body 1 blocks stripper plate 403 and removes this moment, makes fixed plate 402 pass connecting rod 404 gradually and extrudees spring 405, receives extruded spring 405 can make stripper plate 403 hug closely steel box girder body 1 under self effect, has further improved the clamping effect, has avoided the extrusion many degrees circumstances that lead to steel box girder body 1 impaired simultaneously.
When the device is used, the device is placed on the surface of a steel box girder body 1, the whole device is moved to the joint of the two steel box girder bodies 1 through a pulley 305, a hydraulic push rod 401 is started, a fixing plate 402 connected with the hydraulic push rod 401 can be driven to move in the direction of the steel box girder body 1 under the action of the hydraulic push rod 401, under the mutual matching of two racks 304 and a gear 303, the other fixing plate 402 is driven to synchronously move in the direction of the steel box girder body 1, so that the steel box girder body 1 is clamped, the subsequent construction operation of workers is facilitated, in the process, an extrusion plate 403 is firstly contacted with the steel box girder body 1, under the mutual matching of a buffer air bag 406 and a bump 407, the abrasion on the surface of the steel box girder body 1 can be reduced, meanwhile, the bump 407 can increase the friction force between the extrusion plate and the steel box girder body 1, so that the fixing effect is improved, at the moment, the hydraulic push rod 401 drives the fixing plate 402 to continuously move in the direction of the steel box girder body 1, fixing plate 402 passes connecting rod 404 gradually and extrudees spring 405, it can make stripper plate 403 hug closely steel box girder body 1 under self effect to receive extruded spring 405, further improved and pressed from both sides tight effect, treat that the staff accomplishes the back to this department construction operation, remove fixedly through hydraulic push rod 401, with the device through pulley 305 remove to next operation point can, more tradition needs a large amount of fixing device to carry out the mode of fixing, this mode has reduced the step of installation dismantlement, construction efficiency is improved, the high problem of a large amount of fixing device cost of transportation has been avoided simultaneously, construction cost is reduced.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a positioning and supporting device that steel box girder segmentation was foldd and is used which characterized in that includes:
the steel box girder comprises a plurality of steel box girder bodies (1), wherein the bottom parts of the plurality of steel box girder bodies (1) are provided with girder plates (2), and the bottom parts of the girder plates (2) are provided with supporting frames (201);
the connecting structure (3) is arranged on the surface of the steel box girder body (1);
the positioning structure (4) is used for fixing the two adjacent steel box girder bodies (1), and the positioning structure (4) is arranged on the surface of the connecting structure (3).
2. The positioning and supporting device for the folding of the steel box girder sections as claimed in claim 1, wherein: connection structure (3) include that two all set up in connecting plate (302) at steel box girder body (1) top, the bottom of connecting plate (302) is provided with pulley (305), pulley (305) contact with the top of steel box girder body (1), the equal fixedly connected with mounting panel (301) in both sides of connecting plate (302), the shape of cross section of mounting panel (301) is the L shape.
3. The positioning and supporting device for the folding of the steel box girder sections as claimed in claim 2, wherein: the inner wall of the connecting plate (302) is rotatably connected with a gear (303), and the surface of the gear (303) is engaged and connected with two racks (304).
4. The positioning and supporting device for the folding of the steel box girder sections as claimed in claim 3, wherein: the positioning structure (4) comprises two fixing plates (402) arranged below the connecting plate (302), the number of the top parts of the two fixing plates (402) is two, and the upper ends of the two connecting plates (408) penetrate through the connecting plate (302) and are fixedly connected with the bottoms of the adjacent racks (304).
5. The positioning and supporting device for the folding of the steel box girder sections as claimed in claim 4, wherein: the opposite sides of the two fixing plates (402) are respectively provided with an extrusion plate (403), the opposite sides of the two extrusion plates (403) are respectively provided with a buffer air bag (406) in an embedded mode, one side, far away from the fixing plates (402), of the buffer air bag (406) extends to the outside of the extrusion plates (403), the surface of one side, far away from the fixing plates (402), of the buffer air bag (406) is fixedly connected with uniformly distributed convex blocks (407), and the convex blocks (407) are made of rubber.
6. The positioning and supporting device for folding the steel box girder sections according to claim 5, wherein: one side of the extrusion plate (403) close to the fixed plate (402) is fixedly connected with uniformly distributed connecting rods (404), the other end of each connecting rod (404) penetrates through the fixed plate (402) and extends to the outside of the fixed plate (402), and a spring (405) is arranged on the surface of each connecting rod (404).
7. The positioning and supporting device for folding the steel box girder sections according to claim 6, wherein: the positioning structure (4) further comprises two hydraulic push rods (401) arranged on the surface of the mounting plate (301), and output shafts of the hydraulic push rods (401) penetrate through the mounting plate (301) and are fixedly connected with one side of the adjacent fixing plate (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166725.8U CN216786865U (en) | 2022-01-21 | 2022-01-21 | Positioning and supporting device for steel box girder segmentation folding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166725.8U CN216786865U (en) | 2022-01-21 | 2022-01-21 | Positioning and supporting device for steel box girder segmentation folding |
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| CN216786865U true CN216786865U (en) | 2022-06-21 |
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| CN202220166725.8U Active CN216786865U (en) | 2022-01-21 | 2022-01-21 | Positioning and supporting device for steel box girder segmentation folding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960406A (en) * | 2022-07-18 | 2022-08-30 | 安徽厚普建设工程有限公司 | Bridge abutment and prefabricated box girder connecting structure of bridge |
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2022
- 2022-01-21 CN CN202220166725.8U patent/CN216786865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960406A (en) * | 2022-07-18 | 2022-08-30 | 安徽厚普建设工程有限公司 | Bridge abutment and prefabricated box girder connecting structure of bridge |
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